Verizon has been struggling to retain loyal customers following recent price hikes and increasing competition in the wireless industry. Amid those pressures, the company has made a major policy change that makes it harder for customers to cut ties and move to another carrier. Last month, Verizon received approval from the Federal Communications Commission to waive a rule requiring it to automatically unlock a phone it sells to a customer after 60 days, despite backlash from consumers and advocacy groups w ...